Synthesis method of ball-flower shaped structure ZnO/ZnWO4 photocatalyst
A technology of photocatalyst and synthesis method, which is applied in the field of chemical industry to achieve the effect of uniform product, excellent hydrogen production performance and inhibition of recombination
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[0015] Flower spherical structure ZnO / ZnWO 4 Composite photocatalyst, take by weighing 99.5% sodium tungstate (Na 2 WO 3 2H 2 O), the quality is 1.6494 g, purchased from Tianjin Dongli District Tianda Chemical Reagent Factory 99.0% zinc nitrate (Zn(NO 3 )·6H 2 O), with a mass of 1.4875 g. Mix the above two chemical reagent raw materials into 30 mL deionized water, stir for 10 min, add ammonia water (NH 3 ·H 2 O), with a volume of 15 ± 1 drop, fully stirred and poured into a 100 mL polytetrafluoroethylene-lined microwave reactor, set the microwave hydrothermal reaction temperature at 180 ± 2 °C, and the reaction time at 150 ± 3 min. After the microwave radiation reaction is finished, the generated white precipitate is repeatedly washed with deionized water and absolute ethanol for 4-5 times respectively. Put the precipitate into the drying box, set the drying temperature at 60±2°C, and the drying time is 12+0.1h, and take it out to get the final product flower spherical ...
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